/*
 * Copyright (C) 2019 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License
 */

package com.android.tools.sizereduction.analyzer.suggesters.bundles;

import com.android.tools.sizereduction.analyzer.suggesters.AutoFix;
import java.io.File;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.util.List;
import java.util.Objects;

/** */
public final class BundleSplitAutoFix implements AutoFix {
  public static final String BUILD_GRADLE = "build.gradle";

  File buildFile;
  int lineNumber;

  public BundleSplitAutoFix(File directory, int lineNumber) {
    this.buildFile = new File(directory, BUILD_GRADLE);
    this.lineNumber = lineNumber;
  }

  @Override
  public void apply() {
    try {
      List<String> lines = Files.readAllLines(buildFile.toPath(), StandardCharsets.UTF_8);
      lines.remove(lineNumber - 1);
      Files.write(buildFile.toPath(), lines, StandardCharsets.UTF_8);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }

  @Override
  public boolean equals(Object other) {
    if (other == this) {
      return true;
    }
    if (!(other instanceof BundleSplitAutoFix)) {
      return false;
    }
    BundleSplitAutoFix autoFix = (BundleSplitAutoFix) other;
    return Objects.equals(this.buildFile.getPath(), autoFix.buildFile.getPath())
        && autoFix.lineNumber == this.lineNumber;
  }

  @Override
  public int hashCode() {
    return Objects.hash(buildFile.toPath(), lineNumber);
  }
}
